Observed Differences In MTF Results Between Line-Spread And Interferometric Measurements For IR Lenses

J. Peter Jennings; F. J. Buzz Busselle; Steven G. Shaw

doi:10.1117/12.951976

1 May 1986 Observed Differences In MTF Results Between Line-Spread And Interferometric Measurements For IR Lenses

J. Peter Jennings, F. J. Buzz Busselle, Steven G. Shaw

Proceedings Volume 0590, Infrared Technology and Applications; (1986) https://doi.org/10.1117/12.951976
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

For a number of years we have been conducting modulation transfer function (MTF) analyses on infra-red lenses and windows using (1) line spread function (LSF) and (2) interferometric measurements. Although generally comparisons between results obtained from the two methods have been good, there have been some occasions when differences have been observed. This paper presents some of the results and discusses possible causes for the discrepancies.

Citation Download Citation

J. Peter Jennings, F. J. Buzz Busselle, and Steven G. Shaw "Observed Differences In MTF Results Between Line-Spread And Interferometric Measurements For IR Lenses", Proc. SPIE 0590, Infrared Technology and Applications, (1 May 1986); https://doi.org/10.1117/12.951976

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